Cover of the textbook Focus 4 (2nd edition) - Workbook

The key answer of exercise 4

The key to exercise solutions in chapter Modal verbs for speculation for the textbook Focus 4 (2nd edition) - Workbook with authors Daniel Brayshaw from Pearson Education

Question

Think of alternatives for the underlined verb structures. Use can't, could, may, might and must and an infinitive or perfect infinitive. Use each modal verb once.

Answer

  1. can’t / couldn’t have approached
  2. must be
  3. may / might / could have been
  4. may / might / could continue

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